package com.heima.user.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.LoginDto;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Override
    public ResponseResult login(LoginDto loginDto) {
        //1. 正常登录
        if (StringUtils.isNotBlank(loginDto.getPhone())
                && StringUtils.isNotBlank(loginDto.getPassword())) {
            //1.1 根据手机号查询用户信息
            ApUser dbUser = this.lambdaQuery().eq(ApUser::getPhone, loginDto.getPhone()).one();
            if (dbUser == null) {
                return ResponseResult.errorResult(AppHttpCodeEnum.AP_USER_DATA_NOT_EXIST);
            }
            //1.2 比对密码
            String salt = dbUser.getSalt();
            String pswd = loginDto.getPassword();
            String md5pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
            if (!md5pswd.equals(dbUser.getPassword())) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3 返回数据  jwt令牌  用户信息
            String token = AppJwtUtil.getToken(dbUser.getId().longValue());
            Map<String, Object> map = new HashMap<>();
            map.put("token", token);
            dbUser.setSalt("");
            dbUser.setPassword("");
            map.put("user", dbUser);
            return ResponseResult.okResult(map);
        } else {
            //2. 游客登录
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }
    }
}
